Ben Samuels MSc, Performance Nutritionist at Science in Sport, answers the questions you always wanted to ask about fueling your marathon – from training, to the big race and recovery.

Up-and-coming marathoner Nico Montanez runs 26.2 miles in under 2:15. Here he shares his nutrition and rest-day tips for long-distance runners.

You don’t take on 26.2 miles without a reason. Everyone who runs a marathon has a ‘why’. And everyone else asks “why”?! So why is marathon distance so iconic? We asked elite On athletes for their answers.

The 23-year-old has overcome her first major injury and the passing of her father this year as she strives to become one of the best 5K runners in America.

The 25-year-old cross-country runner, previously an NCAA All-American at Syracuse University, stresses the importance of surrounding yourself with people who support your running pursuits.

The two-time Olympian, who was invited to compete for Saudi Arabia at the London 2012 and Rio 2016 Games, explains how running’s message can be universal.

The head coach and husband of Olympic marathon medalist Deena Kastor shares what makes his high-altitude elite running club – which just entered a new partnership with On – so unique on the global stage.

As one of the most historic and highly decorated elite running groups in the United States, On is thrilled to announce our new sponsorship deal with the Mammoth Track Club.